java利用多线程和Socket实现猜拳游戏

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.util.Random;

/**
 * @author MNH
 * @version 1.0
 * @project Name: JavaSenior
 * @file Name: PlayThread
 * @desc 功能描述
 * @date 2020/8/19
 * @time 8:53
 * @by IDE: IntelliJ IDEA
 */
public class PlayThread implements Runnable{
 Socket s;
 InputStream is=null;
 OutputStream os=null;
 public PlayThread(Socket s){
  this.s=s;
 }

 @Override
 public void run() {
  try {
   is = s.getInputStream();
   os = s.getOutputStream();

   DataOutputStream dos = new DataOutputStream(os);
   DataInputStream dis = new DataInputStream(is);
   Random rd = new Random(3);//0代表石头，1代表剪刀，2代表布
   while (true) {
    int random = rd.nextInt();
    int number = dis.readInt();
    if (number == 3) {
     System.out.println("客户端退出");
     break;
    }
    int rs = -1;//1代表获胜，2代表失败，3代表平局
    if (random == 0) {
     if (number == 1) {
      rs = 2;
     } else if (number == 2) {
      rs = 1;
     } else {
      rs = 3;
     }
    } else if (random == 1) {
     if (number == 0) {
      rs = 1;
     } else if (number == 2) {
      rs = 2;
     } else {
      rs = 3;
     }
    } else {
     if (number == 0) {
      rs = 2;
     } else if (number == 1) {
      rs = 1;
     } else {
      rs = 3;
     }
    }
    dos.writeInt(rs);
    dos.flush();
   }
  }catch(Exception e){
   e.printStackTrace();
  }
 }
 public void close(){
  try{
   is.close();
   os.close();
  }catch (Exception e){
   e.printStackTrace();
  }
 }
}

import java.net.ServerSocket;
import java.net.Socket;

/**
 * @author MNH
 * @version 1.0
 * @project Name: JavaSenior
 * @file Name: PlayServer
 * @desc 功能描述
 * @date 2020/8/19
 * @time 9:30
 * @by IDE: IntelliJ IDEA
 */
 
public class PlayServer {
 public static void main(String[] args) {
  ServerSocket ss=null;
  System.out.println("服务器启动......");
  try{
   ss=new ServerSocket(4567);
   while(true){
    Socket s=ss.accept();
    new Thread(new PlayThread(s)).start();//启动线程
   }
  }catch (Exception e){
   e.printStackTrace();
  }finally {
   try{
    ss.close();
   }catch (Exception e){
    e.printStackTrace();
   }
  }
 }
}

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.util.Scanner;

public class PlayClient {
 public static void main(String[] args) {
  InputStream is=null;
  OutputStream os=null;
  Socket s=null;
  try{
   s=new Socket("127.0.0.1",4567);
   is=s.getInputStream();
   os=s.getOutputStream();
   while(true) {
    DataInputStream dis = new DataInputStream(is);
    DataOutputStream dos = new DataOutputStream(os);
    System.out.println("欢迎来到猜拳游戏");
    System.out.println("请选择：");
    System.out.println("0：石头");
    System.out.println("1：剪刀");
    System.out.println("2：布");
    System.out.println("3：退出");
    Scanner sc=new Scanner(System.in);
    int choose=sc.nextInt();
    if(choose>=0&&choose<=2){
     dos.writeInt(choose);
     dos.flush();
    }else if(choose==3){
     dos.writeInt(choose);
     dos.flush();
     System.out.println("游戏结束!");
     break;
    }else{
     System.out.println("输入错误，请重新输入");
    }
    int rs=dis.readInt();//获取判断结果 1代表获胜，2代表失败，3代表平局
    if(rs==1){
     System.out.println("本局比赛获胜");
    }else if(rs==2){
     System.out.println("本局比赛失败");
    }else{
     System.out.println("本局比赛平局");
    }
   }

  }catch(Exception e){
   e.printStackTrace();
  }finally {
   try{
    is.close();
    os.close();
    s.close();
   }catch (Exception e){
    e.printStackTrace();
   }
  }
 }
}